unbuild

#!/usr/bin/env bash
#
# find all html files in the ./dist directory and patch the original
# template files.

for html in $(find dist -name *.html); do
    template=$(sed -r -e 's:/(.*!/)?index\.html:\1\.mustache:' -e 's:^dist:templates:' <<<$html)

    if [[ $template == "templates.mustache" ]]; then
        template=templates/index.mustache
    fi

    if [[ ! -f $template ]]; then
        echo "There is no such file $template. Abort."
        exit 1
    fi

    content=`mktemp --tmpdir=.`

    sed -n '/<!-- CONTENT-STARTS -->/,/<!-- CONTENT-ENDS -->/p' $html \
        | grep -Ev '<!-- CONTENT-(STARTS|ENDS) -->' > $content

    sed -i '${/^$/d;}' $content

    diff -u $template $content > "$content.patch"

    if [[ -s "$content.patch" ]]; then
        cat "$content.patch"

        echo "Apply patch? (y/N)"
        read answer

        if [[ $answer == "y" ]]; then
            patch -sf -o $template < "$content.patch"
        else
            echo "Skipping patch..."
        fi
    fi

    rm $content "$content.patch"

    git diff $template
    # diff $html <(sed -r -e 's:\.html$:\.template' -e 's:^dist:templates' <<<$html)
done

# while read path; do
#     echo "-> $path"
#     html=$(sed -r 's:.template$/.html' <<<$path)
# done <routes.tsv